White House pressures US space firms to skip Paris space summit, sources say

• The White House Office of Science and Technology Policy held a call with U.S. space firms, strongly suggesting they avoid the summit without explicitly directing them not to attend
• SpaceX and other U.S. companies cancelled planned announcements and attendance at the summit, which features 120 countries discussing space cooperation
• The summit comes as European countries increase investments in civil and military space capabilities to reduce reliance on U.S. firms like SpaceX for satellite communications and launches

Summary

The Trump administration pressured U.S. space companies to skip a major international space summit in Paris scheduled for September 9-10, 2025, organized by French President Emmanuel Macron. The White House's Office of Science and Technology Policy (OSTP) held a call with several companies approximately a week before the event, suggesting that attendance could imply support for European policy positions contrary to U.S. interests.

Key Developments:

• While White House officials avoided explicitly directing companies to boycott, they made strong suggestions against attending
• SpaceX, owned by Elon Musk, will no longer participate in the summit
• Several planned announcements between European and U.S. space companies have been cancelled
• The summit will feature speeches from Macron and European Commission President Ursula von der Leyen, with participants from roughly 120 countries

Market Context:

The pressure comes as European nations accelerate investments in civil and military space capabilities, aiming to reduce dependence on American firms like SpaceX for satellite communications and rocket launches. This reflects growing international competition in the space sector and tensions over transatlantic space policy.

Official Response:

An OSTP official stated the administration "continues to collaborate with allies and partners in space" and looks forward to discussions on science missions, exploration programs, and space security.

The summit is designed as an informal political dialogue among heads of state, industrial groups, and scientific organizations, not intended for policy or budget decisions. The incident highlights escalating geopolitical tensions in the commercial space industry and suggests potential fragmentation in international space cooperation.